2002 Audi S4 vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Audi S4. In addition, the cost of maintenance, including insurance, on 2002 Audi S4 would be higher. At 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 19 more horse power than 2009 Infiniti QX56. (320 HP @ 5200 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 2009 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti QX56 weights approximately 57 kg more than 2002 Audi S4.
Because 2002 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Infiniti QX56. In wet, icy, snow, or gravel driving conditions, 2002 Audi S4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 123 more torque (in Nm) than 2002 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi S4. 2009 Infiniti QX56 has automatic transmission and 2002 Audi S4 has manual transmission. 2002 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi S4 | 2009 Infiniti QX56 | |
| Make | Audi | Infiniti |
| Model | S4 | QX56 |
| Year Released | 2002 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 320 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 410 Nm | 533 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1719 kg |
| Vehicle Length | 4580 mm | 5260 mm |
| Vehicle Width | 1790 mm | 2010 mm |
| Vehicle Height | 1420 mm | 1980 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Tank Capacity | 66 L | 106 L |
